package com.tianye.salon.util;

import java.awt.Graphics;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.HeadlessException;
import java.awt.Image;
import java.awt.Transparency;
import java.awt.image.BufferedImage;

import javax.swing.ImageIcon;

public class BufferedImageBuilder {

	public static BufferedImage toBufferedImage(Image image) {  
        if (image instanceof BufferedImage) {  
            return (BufferedImage) image;  
        }  
        // This code ensures that all the pixels in the image are loaded  
        image = new ImageIcon(image).getImage();  
        BufferedImage bimage = null;  
        GraphicsEnvironment ge = GraphicsEnvironment  
                .getLocalGraphicsEnvironment();  
        try {  
            int transparency = Transparency.OPAQUE;  
            GraphicsDevice gs = ge.getDefaultScreenDevice();  
            GraphicsConfiguration gc = gs.getDefaultConfiguration();  
            bimage = gc.createCompatibleImage(image.getWidth(null),  
                    image.getHeight(null), transparency);  
        } catch (HeadlessException e) {  
            // The system does not have a screen  
        }  
        if (bimage == null) {  
            // Create a buffered image using the default color model  
            int type = BufferedImage.TYPE_INT_RGB;  
            bimage = new BufferedImage(image.getWidth(null),  
                    image.getHeight(null), type);  
        }  
        // Copy image to buffered image  
        Graphics g = bimage.createGraphics();  
        // Paint the image onto the buffered image  
        g.drawImage(image, 0, 0, null);  
        g.dispose();  
        return bimage;  
    }  
}
